US Bridges

US 41 over CSX RR

Fair

Lake County, Indiana · 02.34 N US 231 · Structure no. 015630

Built
1962
63 years old, rebuilt 2015
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
25,099
2022 count
Owner
State
State Highway Agency

About this bridge

US 41 over CSX RR is a steel stringer/multi-beam or girder carrying US 41 over CSX RR in Lake County, Indiana. It was built in 1962 and reconstructed in 2015, so it is 63 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25,099 vehicles a day, roughly 5% of them trucks, projected to reach 33,707 by 2030. The structure is 65 ft (19.8 m) long and 72 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 41
CrossesCSX RR
Location02.34 N US 231
RouteU.S. Route 41
StateIndiana
Coordinates41.45528, -87.47026
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span61 ft (18.7 m)
Deck width72 ft (22 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,099 (2022)
Projected traffic33,707 by 2030
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 41 over CSX RR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2015.

What condition is US 41 over CSX RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does US 41 over CSX RR carry?

About 25,099 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is US 41 over CSX RR?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.7 m) and a deck 72 ft wide.

Who owns US 41 over CSX RR?

It is owned by the State Highway Agency.